[INFO] cloning repository https://github.com/ConnorSkees/ski
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConnorSkees/ski" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fski", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fski'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51ced065d15b86fdca8ef43fd158fc53c21c4836
[INFO] checking ConnorSkees/ski against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConnorSkees%2Fski" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ConnorSkees/ski on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ConnorSkees/ski
[INFO] finished tweaking git repo https://github.com/ConnorSkees/ski
[INFO] tweaked toml for git repo https://github.com/ConnorSkees/ski written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ConnorSkees/ski already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8c0da6180afebaf83e10bce5e5bd0b9d68883086ca73533efb936417e0cad04
[INFO] running `Command { std: "docker" "start" "-a" "b8c0da6180afebaf83e10bce5e5bd0b9d68883086ca73533efb936417e0cad04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c0da6180afebaf83e10bce5e5bd0b9d68883086ca73533efb936417e0cad04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c0da6180afebaf83e10bce5e5bd0b9d68883086ca73533efb936417e0cad04", kill_on_drop: false }`
[INFO] [stdout] b8c0da6180afebaf83e10bce5e5bd0b9d68883086ca73533efb936417e0cad04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f31e9880057ee9c9c6828b53122c251654bd6c3d496a725e3af68f1ca800b31
[INFO] running `Command { std: "docker" "start" "-a" "4f31e9880057ee9c9c6828b53122c251654bd6c3d496a725e3af68f1ca800b31", kill_on_drop: false }`
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking ski v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         unimplemented!();
[INFO] [stdout]     |         ----------------- any code following this expression is unreachable
[INFO] [stdout] 169 |         Ok(())
[INFO] [stdout]     |         ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         unimplemented!();
[INFO] [stdout]     |         ----------------- any code following this expression is unreachable
[INFO] [stdout] 174 |         Ok(())
[INFO] [stdout]     |         ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         unimplemented!();
[INFO] [stdout]     |         ----------------- any code following this expression is unreachable
[INFO] [stdout] 169 |         Ok(())
[INFO] [stdout]     |         ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/compiler.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |         unimplemented!();
[INFO] [stdout]     |         ----------------- any code following this expression is unreachable
[INFO] [stdout] 174 |         Ok(())
[INFO] [stdout]     |         ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]    --> src/compiler.rs:172:42
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn compile_const_decl(&mut self, ast: Box<ConstDecl>) -> io::Result<()> {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]    --> src/compiler.rs:172:42
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn compile_const_decl(&mut self, ast: Box<ConstDecl>) -> io::Result<()> {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "4f31e9880057ee9c9c6828b53122c251654bd6c3d496a725e3af68f1ca800b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f31e9880057ee9c9c6828b53122c251654bd6c3d496a725e3af68f1ca800b31", kill_on_drop: false }`
[INFO] [stdout] 4f31e9880057ee9c9c6828b53122c251654bd6c3d496a725e3af68f1ca800b31